What is rex short for?

Rex is a Latin word meaning "king" or "ruler," and it has historically been used as a title for kings and rulers in various languages and cultures. It is a popular name for pets, particularly for dogs, and is often associated with strong or dominant personalities. Rex can also be short for other names, such as Rexford, which means "king's ford," or Rexanne, which combines the name Rex with the name Anne. Overall, Rex is a powerful and regal name with a long history of importance and significance.